e1798eb7d825560c18100a1d75e6903e34d54f0b995085684241dc835b13364d

Analysis

max time kernel
150s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2024 13:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bbecc3c9c97901f4f9be2984a1274d18_JaffaCakes118.exe
Size

14KB
MD5

bbecc3c9c97901f4f9be2984a1274d18
SHA1

8f86727fa3b6cc7194dd757caa5b3b012c915dda
SHA256

e1798eb7d825560c18100a1d75e6903e34d54f0b995085684241dc835b13364d
SHA512

4d3cf157be7dfda336d6e9fafe6ef3dcc90cacae96abcd9656136801d75ab4affc4e6d8e33654eb275bd1184851abee62e6fb8b997688aebbec9c8dc6458f55f
SSDEEP

384:5onK/sS4BMER9HEyCIQ/D9YiplKdSfGxLU:5oK0S4FBEyCxPpHfy

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 1 IoCs

pid	Process
5112	ezcronk.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3248-0-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/files/0x00080000000234c3-4.dat	upx
behavioral2/memory/3248-6-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/5112-8-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/5112-25-0x0000000000400000-0x0000000000412000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ezcron.dll	bbecc3c9c97901f4f9be2984a1274d18_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ezcronk.exe	bbecc3c9c97901f4f9be2984a1274d18_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\ezcronk.exe	bbecc3c9c97901f4f9be2984a1274d18_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ezcronk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bbecc3c9c97901f4f9be2984a1274d18_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3248 wrote to memory of 5112	3248	bbecc3c9c97901f4f9be2984a1274d18_JaffaCakes118.exe	84
PID 3248 wrote to memory of 5112	3248	bbecc3c9c97901f4f9be2984a1274d18_JaffaCakes118.exe	84
PID 3248 wrote to memory of 5112	3248	bbecc3c9c97901f4f9be2984a1274d18_JaffaCakes118.exe	84
PID 3248 wrote to memory of 3284	3248	bbecc3c9c97901f4f9be2984a1274d18_JaffaCakes118.exe	99
PID 3248 wrote to memory of 3284	3248	bbecc3c9c97901f4f9be2984a1274d18_JaffaCakes118.exe	99
PID 3248 wrote to memory of 3284	3248	bbecc3c9c97901f4f9be2984a1274d18_JaffaCakes118.exe	99

C:\Users\Admin\AppData\Local\Temp\bbecc3c9c97901f4f9be2984a1274d18_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bbecc3c9c97901f4f9be2984a1274d18_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3248
- C:\Windows\SysWOW64\ezcronk.exe
  C:\Windows\system32\ezcronk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5112
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\bbecc3c9c97901f4f9be2984a1274d18_JaffaCakes118.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\bbecc3c9c97901f4f9be2984a1274d18_JaffaCakes118.exe.bat

Filesize
210B

MD5
070bc57be068cce24d5fca9d384d6b4a

SHA1
8d27a305b8ee63798125225c160b7d4bf25d953a

SHA256
bb5733aa8f7f3dd8b40d75c6dfc29b1ea851f927edb6d65574d9f0658afe980b

SHA512
ca72eb64d2f4d22bfe16538d34c4f6f9fd4c70e7e149b85d6f1c478934de1e1138e7825fa9615346174eef9c6128853b2a3fea315c0d9f2bda555eee1cccc9a3

Download Submit
C:\Windows\SysWOW64\ezcronk.exe

Filesize
14KB

MD5
bbecc3c9c97901f4f9be2984a1274d18

SHA1
8f86727fa3b6cc7194dd757caa5b3b012c915dda

SHA256
e1798eb7d825560c18100a1d75e6903e34d54f0b995085684241dc835b13364d

SHA512
4d3cf157be7dfda336d6e9fafe6ef3dcc90cacae96abcd9656136801d75ab4affc4e6d8e33654eb275bd1184851abee62e6fb8b997688aebbec9c8dc6458f55f

Download Submit
memory/3248-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3248-6-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/5112-8-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/5112-25-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download